CVE-2011-3193

Name: CVE-2011-3193
Creator: NVD / NIST
Published: 2012-06-16T00:55:03.297+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 7.54%

Last modified Jun 16, 2026

CVE-2011-3193 is a vulnerability of currently unknown severity. Heap-based buffer overflow in the Lookup_MarkMarkPos function in the HarfBuzz module (harfbuzz-gpos.c), as used by Qt before 4.7.4 and Pango, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted font file.. EPSS estimates a 7.54% chance of exploitation in the next 30 days.

Description

Heap-based buffer overflow in the Lookup_MarkMarkPos function in the HarfBuzz module (harfbuzz-gpos.c), as used by Qt before 4.7.4 and Pango, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted font file.

Metrics

EPSS Probability

7.54%

93.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Gnome	Pango	< 1.25.1
Qt	Qt	< 4.7.4
Canonical	Ubuntu Linux	10.04
Canonical	Ubuntu Linux	11.04
Redhat	Enterprise Linux Desktop	4.0
Redhat	Enterprise Linux Desktop	5.0
Redhat	Enterprise Linux Desktop	6.0
Redhat	Enterprise Linux Eus	6.1
Redhat	Enterprise Linux Server	4.0
Redhat	Enterprise Linux Server	5.0
Redhat	Enterprise Linux Server	6.0
Redhat	Enterprise Linux Workstation	4.0
Redhat	Enterprise Linux Workstation	5.0
Redhat	Enterprise Linux Workstation	6.0
Opensuse	Opensuse	11.3
Opensuse	Opensuse	11.4

References

http://cgit.freedesktop.org/harfbuzz.old/commit/?id=81c8ef785b079980ad5b46be4fe7c7bf156dbf65Patch, Third Party Advisory
http://cgit.freedesktop.org/harfbuzz/commit/src/harfbuzz-gpos.c?id=da2c52abcd75d46929b34cad55c4fb2c8892bc08Patch, Third Party Advisory
http://git.gnome.org/browse/pango/commit/pango/opentype/harfbuzz-gpos.c?id=a7a715480db66148b1f487528887508a7991dcd0Patch, Vendor Advisory
http://lists.opensuse.org/opensuse-updates/2011-10/msg00007.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2011-10/msg00008.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1323.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1324.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1325.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1326.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1327.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1328.htmlThird Party Advisory
http://secunia.com/advisories/41537Third Party Advisory
http://secunia.com/advisories/46117Third Party Advisory
http://secunia.com/advisories/46118Third Party Advisory
http://secunia.com/advisories/46119Third Party Advisory
http://secunia.com/advisories/46128Third Party Advisory
http://secunia.com/advisories/46371Third Party Advisory
http://secunia.com/advisories/46410Third Party Advisory
http://secunia.com/advisories/49895Third Party Advisory
http://www.openwall.com/lists/oss-security/2011/08/22/6Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2011/08/24/8Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2011/08/25/1Mailing List, Third Party Advisory
http://www.osvdb.org/75652Broken Link
http://www.securityfocus.com/bid/49723Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-1504-1Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/69991Third Party Advisory, VDB Entry
https://hermes.opensuse.org/messages/12056605Broken Link
https://qt.gitorious.org/qt/qt/commit/9ae6f2f9a57f0c3096d5785913e437953fa6775cBroken Link
http://cgit.freedesktop.org/harfbuzz.old/commit/?id=81c8ef785b079980ad5b46be4fe7c7bf156dbf65Patch, Third Party Advisory
http://cgit.freedesktop.org/harfbuzz/commit/src/harfbuzz-gpos.c?id=da2c52abcd75d46929b34cad55c4fb2c8892bc08Patch, Third Party Advisory
http://git.gnome.org/browse/pango/commit/pango/opentype/harfbuzz-gpos.c?id=a7a715480db66148b1f487528887508a7991dcd0Patch, Vendor Advisory
http://lists.opensuse.org/opensuse-updates/2011-10/msg00007.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2011-10/msg00008.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1323.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1324.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1325.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1326.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1327.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1328.htmlThird Party Advisory
http://secunia.com/advisories/41537Third Party Advisory
http://secunia.com/advisories/46117Third Party Advisory
http://secunia.com/advisories/46118Third Party Advisory
http://secunia.com/advisories/46119Third Party Advisory
http://secunia.com/advisories/46128Third Party Advisory
http://secunia.com/advisories/46371Third Party Advisory
http://secunia.com/advisories/46410Third Party Advisory
http://secunia.com/advisories/49895Third Party Advisory
http://www.openwall.com/lists/oss-security/2011/08/22/6Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2011/08/24/8Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2011/08/25/1Mailing List, Third Party Advisory
http://www.osvdb.org/75652Broken Link
http://www.securityfocus.com/bid/49723Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-1504-1Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/69991Third Party Advisory, VDB Entry
https://hermes.opensuse.org/messages/12056605Broken Link
https://qt.gitorious.org/qt/qt/commit/9ae6f2f9a57f0c3096d5785913e437953fa6775cBroken Link

Timeline

Published: Jun 16, 2012
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-3193?

How severe is CVE-2011-3193?

Severity scoring for CVE-2011-3193 is pending analysis. The EPSS model estimates a 7.54% probability of exploitation in the next 30 days.

How do I fix CVE-2011-3193?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-3193?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST